arcwriter.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

          int&nbsp;maxSize)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#ARCWriter(java.util.concurrent.atomic.AtomicInteger, java.util.List, java.lang.String, java.lang.String, boolean, int, java.util.List)">ARCWriter</A></B>(java.util.concurrent.atomic.AtomicInteger&nbsp;serialNo,
          java.util.List&lt;java.io.File&gt;&nbsp;dirs,
          java.lang.String&nbsp;prefix,
          java.lang.String&nbsp;suffix,
          boolean&nbsp;cmprs,
          int&nbsp;maxSize,
          java.util.List&nbsp;meta)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#ARCWriter(java.util.concurrent.atomic.AtomicInteger, java.io.PrintStream, java.io.File, boolean, java.lang.String, java.util.List)">ARCWriter</A></B>(java.util.concurrent.atomic.AtomicInteger&nbsp;serialNo,
          java.io.PrintStream&nbsp;out,
          java.io.File&nbsp;arc,
          boolean&nbsp;cmprs,
          java.lang.String&nbsp;a14DigitDate,
          java.util.List&nbsp;metadata)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Constructor.</TD>
</TR>
</TABLE>
&nbsp;
<!-- ========== METHOD SUMMARY =========== -->

<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#createFile()">createFile</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Create a new file.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#createMetaline(java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String)">createMetaline</A></B>(java.lang.String&nbsp;uri,
               java.lang.String&nbsp;hostIP,
               java.lang.String&nbsp;timeStamp,
               java.lang.String&nbsp;mimetype,
               java.lang.String&nbsp;recordLength)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#getMetadataHeaderLinesTwoAndThree(java.lang.String)">getMetadataHeaderLinesTwoAndThree</A></B>(java.lang.String&nbsp;version)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#getMetaLine(java.lang.String, java.lang.String, java.lang.String, long, int)">getMetaLine</A></B>(java.lang.String&nbsp;uri,
            java.lang.String&nbsp;contentType,
            java.lang.String&nbsp;hostIP,
            long&nbsp;fetchBeginTimeStamp,
            int&nbsp;recordLength)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#validateMetaLine(java.lang.String)">validateMetaLine</A></B>(java.lang.String&nbsp;metaLineStr)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Test that the metadata line is valid before writing.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#write(java.lang.String, java.lang.String, java.lang.String, long, int, java.io.ByteArrayOutputStream)">write</A></B>(java.lang.String&nbsp;uri,
      java.lang.String&nbsp;contentType,
      java.lang.String&nbsp;hostIP,
      long&nbsp;fetchBeginTimeStamp,
      int&nbsp;recordLength,
      java.io.ByteArrayOutputStream&nbsp;baos)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#write(java.lang.String, java.lang.String, java.lang.String, long, int, java.io.InputStream)">write</A></B>(java.lang.String&nbsp;uri,
      java.lang.String&nbsp;contentType,
      java.lang.String&nbsp;hostIP,
      long&nbsp;fetchBeginTimeStamp,
      int&nbsp;recordLength,
      java.io.InputStream&nbsp;in)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/archive/io/arc/ARCWriter.html#write(java.lang.String, java.lang.String, java.lang.String, long, int, org.archive.io.ReplayInputStream)">write</A></B>(java.lang.String&nbsp;uri,
      java.lang.String&nbsp;contentType,
      java.lang.String&nbsp;hostIP,
      long&nbsp;fetchBeginTimeStamp,
      int&nbsp;recordLength,
      <A HREF="../../../../org/archive/io/ReplayInputStream.html" title="class in org.archive.io">ReplayInputStream</A>&nbsp;ris)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_org.archive.io.WriterPoolMember"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class org.archive.io.<A HREF="../../../../org/archive/io/WriterPoolMember.html" title="class in org.archive.io">WriterPoolMember</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/archive/io/WriterPoolMember.html#checkSize()">checkSize</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#checkWriteable(java.io.File)">checkWriteable</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#close()">close</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#createFile(java.io.File)">createFile</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#flush()">flush</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#getBaseFilename()">getBaseFilename</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#getCreateTimestamp()">getCreateTimestamp</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#getFile()">getFile</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#getNextDirectory(java.util.List)">getNextDirectory</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#getOutputStream()">getOutputStream</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#getPosition()">getPosition</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#getTimestampSerialNo()">getTimestampSerialNo</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#getTimestampSerialNo(java.lang.String)">getTimestampSerialNo</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#isCompressed()">isCompressed</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#postWriteRecordTasks()">postWriteRecordTasks</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#preWriteRecordTasks()">preWriteRecordTasks</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#readFullyFrom(java.io.InputStream, long, byte[])">readFullyFrom</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#write(byte[])">write</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#write(byte[], int, int)">write</A>, <A HREF="../../../../org/archive/io/WriterPoolMember.html#write(int)">write</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
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<P>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="ARCWriter(java.util.concurrent.atomic.AtomicInteger, java.io.PrintStream, java.io.File, boolean, java.lang.String, java.util.List)"><!-- --></A><H3>
ARCWriter</H3>
<PRE>
public <B>ARCWriter</B>(java.util.concurrent.atomic.AtomicInteger&nbsp;serialNo,
                 java.io.PrintStream&nbsp;out,
                 java.io.File&nbsp;arc,
                 boolean&nbsp;cmprs,
                 java.lang.String&nbsp;a14DigitDate,
                 java.util.List&nbsp;metadata)
          throws java.io.IOException</PRE>
<DL>
<DD>Constructor.
 Takes a stream. Use with caution. There is no upperbound check on size.
 Will just keep writing.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>serialNo</CODE> - used to generate unique file name sequences<DD><CODE>out</CODE> - Where to write.<DD><CODE>arc</CODE> - File the <code>out</code> is connected to.<DD><CODE>cmprs</CODE> - Compress the content written.<DD><CODE>metadata</CODE> - File meta data.  Can be null.  Is list of File and/or
 String objects.<DD><CODE>a14DigitDate</CODE> - If null, we'll write current time.
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE></DL>
</DL>
<HR>

<A NAME="ARCWriter(java.util.concurrent.atomic.AtomicInteger, java.util.List, java.lang.String, boolean, int)"><!-- --></A><H3>
ARCWriter</H3>
<PRE>
public <B>ARCWriter</B>(java.util.concurrent.atomic.AtomicInteger&nbsp;serialNo,
                 java.util.List&lt;java.io.File&gt;&nbsp;dirs,
                 java.lang.String&nbsp;prefix,
                 boolean&nbsp;cmprs,
                 int&nbsp;maxSize)</PRE>
<DL>
<DD>Constructor.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>serialNo</CODE> - used to generate unique file name sequences<DD><CODE>dirs</CODE> - Where to drop the ARC files.<DD><CODE>prefix</CODE> - ARC file prefix to use.  If null, we use
 DEFAULT_ARC_FILE_PREFIX.<DD><CODE>cmprs</CODE> - Compress the ARC files written.  The compression is done
 by individually gzipping each record added to the ARC file: i.e. the
 ARC file is a bunch of gzipped records concatenated together.<DD><CODE>maxSize</CODE> - Maximum size for ARC files written.</DL>
</DL>
<HR>

<A NAME="ARCWriter(java.util.concurrent.atomic.AtomicInteger, java.util.List, java.lang.String, java.lang.String, boolean, int, java.util.List)"><!-- --></A><H3>
ARCWriter</H3>
<PRE>
public <B>ARCWriter</B>(java.util.concurrent.atomic.AtomicInteger&nbsp;serialNo,
                 java.util.List&lt;java.io.File&gt;&nbsp;dirs,
                 java.lang.String&nbsp;prefix,
                 java.lang.String&nbsp;suffix,
                 boolean&nbsp;cmprs,
                 int&nbsp;maxSize,
                 java.util.List&nbsp;meta)</PRE>
<DL>
<DD>Constructor.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>serialNo</CODE> - used to generate unique file name sequences<DD><CODE>dirs</CODE> - Where to drop files.<DD><CODE>prefix</CODE> - File prefix to use.<DD><CODE>cmprs</CODE> - Compress the records written.<DD><CODE>maxSize</CODE> - Maximum size for ARC files written.<DD><CODE>suffix</CODE> - File tail to use.  If null, unused.<DD><CODE>meta</CODE> - File meta data.  Can be null.  Is list of File and/or
 String objects.</DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>